Improvement in building-blocks



T. FUWLEB. Building Blocks.

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SAMUEL T. EOWLEE, -OE BROOKLYN, NEW roam IMPROVEMENT IN BUILDING-BLOCKS.

specification formihgparf of Leners Patent No. 139,462, daten June 3,1873; applicano nit-d i April 12, 187.2.

To all lwhom it may concern Be it known that I, SAMUEL T. FOWLEE, of the city of Brooklyn, county oi' Kings and State of NeWYork,h-aveinvented acertain neuT `v and useful form of Building-Blocks, to facilitate and render more perfect the laying of the same in walls, of which the following is a specification s This invention relates to a form ot' concrete 'or stonebuilding blocks, to be laidin the Wall face, Ofa size suitable for the reception o f dry cement, plaster, or lime mixed or unmixed with appropriate materials; and in the use of dry materials as a bed for the block and as an absorbent for any moisture that might otherwise escape to soil the surface of the block.

In using this invention, as each tier of blocks is laid, the Outer perpendicular grooves should be filled with the dry material before l filling the mortar-groove, and on each tier the dry material should be evenly spread, to furl` l nish abed for the next tier; also, thedry materialion the two 1sides of the mortar-groove may differ to suit adiierence of nish or exposure, as in the outer and inner sides.

By the dry bed the adjustments of `the blocks are renderedeasy, and moisture is furnished `by the mortar `in the groove to convert the dry material into paste or mortar ,for the t adhesion of the blocks, and all together it renders easy the laying of double-faced` blocks the thickness of the desired wall With'dispatch,

exactitude, neatness, and tirmnessf` I claim- The grooves b for the receptionof thedryn cement, in combination with the mortargrooves, for the purpose of constructing a l wall of building-blocks with Wet mortar and dry cement, in combination substantially as described. s i

SAMUEL T, FOWLER.

Witnesses:

AMos BRoADNAx, JAMES O. HorT. 

